*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:#f5f7fb;color:#1f2937}.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}aside{background:#111827;color:#fff;padding:22px 16px}.logo{font-size:22px;font-weight:800;margin-bottom:28px}.logo span{display:block;color:#60a5fa;font-size:15px}nav{display:grid;gap:7px}nav a{color:#d1d5db;text-decoration:none;padding:11px 12px;border-radius:10px}nav a:hover{background:#1f2937;color:#fff}main{padding:24px 30px;overflow:auto}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}header small{display:block;color:#6b7280;margin-top:3px}h1{margin:0 0 18px}h2{font-size:18px}.cards{display:grid;grid-template-columns:repeat(3,minmax(180px,1fr));gap:15px;margin-bottom:20px}.card,.panel{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:18px;box-shadow:0 5px 18px rgba(17,24,39,.04)}.card span{color:#6b7280;font-size:13px}.card b{display:block;font-size:25px;margin-top:7px}.panel{margin-bottom:18px}.quick{display:flex;gap:10px;flex-wrap:wrap}.quick a,button{background:#2563eb;color:#fff;border:0;border-radius:10px;padding:11px 16px;text-decoration:none;font-weight:700;cursor:pointer}.form{display:grid;gap:10px}.form-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.form-row>*{flex:1;min-width:160px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #d1d5db;border-radius:10px;background:#fff;font:inherit}textarea{min-height:90px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.barcodebox{display:flex;gap:10px;margin:14px 0}.barcodebox input{font-size:18px;padding:15px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:11px 9px;border-bottom:1px solid #e5e7eb;text-align:left}th{color:#6b7280;background:#f9fafb}.total{text-align:right;font-size:24px;margin:16px 0}.flash{padding:12px 14px;border-radius:10px;margin:0 0 14px}.flash.success{background:#dcfce7;color:#166534}.flash.danger{background:#fee2e2;color:#991b1b}@media(max-width:900px){.app{grid-template-columns:1fr}aside{position:static}.cards,.grid2{grid-template-columns:1fr}nav{grid-template-columns:repeat(2,1fr)}main{padding:18px}}

/* Modern POS */
.pos-page{max-width:1500px;margin:0 auto}.pos-topbar{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}.pos-topbar h1{margin:0 0 5px;font-size:28px}.pos-topbar p{margin:0;color:#64748b;font-size:13px}.pos-clock{font-size:14px;font-weight:800;color:#334155;background:white;border:1px solid #e2e8f0;border-radius:12px;padding:10px 14px}.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;align-items:start}.pos-main-card,.checkout-card,.recent-sales-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 8px 30px rgba(15,23,42,.05)}.pos-main-card{padding:18px}.pos-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}.pos-controls label span{display:block;font-size:11px;font-weight:800;color:#64748b;text-transform:uppercase;letter-spacing:.05em;margin:0 0 6px}.scan-zone{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:8px;padding:8px;background:#eff6ff;border:2px solid #bfdbfe;border-radius:16px}.scan-zone:focus-within{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.08)}.scan-icon{display:grid;place-items:center;font-size:26px;color:#2563eb}.scan-zone input{border:0;background:transparent;font-size:20px;font-weight:700;padding:13px 4px;outline:0}.scan-add{border-radius:12px;padding:13px 18px}.product-search-wrap{position:relative;margin-top:12px}.product-search-wrap input{background:#f8fafc}.search-results{display:none;position:absolute;z-index:20;left:0;right:0;top:48px;background:white;border:1px solid #e2e8f0;border-radius:14px;box-shadow:0 18px 45px rgba(15,23,42,.15);max-height:360px;overflow:auto}.search-results.show{display:block}.search-result{display:flex;align-items:center;justify-content:space-between;padding:11px 13px;border-bottom:1px solid #f1f5f9;cursor:pointer}.search-result:last-child{border:0}.search-result:hover{background:#f8fafc}.search-result strong{display:block}.search-result small{color:#64748b}.search-result-price{text-align:right}.search-result-price b{display:block;color:#0f172a}.search-result-price small{color:#64748b}.cart-header{display:flex;justify-content:space-between;align-items:center;margin:18px 2px 8px}.cart-header span{font-size:12px;color:#64748b;background:#f1f5f9;padding:5px 9px;border-radius:20px}.cart-table-wrap{position:relative;min-height:260px;max-height:490px;overflow:auto;border:1px solid #eef2f7;border-radius:14px}.pos-cart th{position:sticky;top:0;z-index:2;background:#f8fafc;font-size:11px;text-transform:uppercase;letter-spacing:.04em}.pos-cart td{vertical-align:middle}.product-cell b{display:block;color:#0f172a}.product-cell small{color:#64748b}.stock-chip{display:inline-block;padding:4px 8px;background:#f1f5f9;border-radius:8px;font-size:12px;font-weight:700}.stock-chip.low{background:#fee2e2;color:#991b1b}.qty-control{display:grid;grid-template-columns:30px 55px 30px;align-items:center;gap:4px}.qty-control button{padding:7px 0;border-radius:8px;background:#e2e8f0;color:#0f172a}.qty-control input{text-align:center;padding:7px 4px;border-radius:8px}.price-input{width:94px!important;text-align:right;padding:8px!important}.line-total{font-weight:800;white-space:nowrap}.remove-line{background:#fff1f2;color:#be123c;padding:8px 10px}.empty-cart{position:absolute;inset:55px 0 0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#94a3b8;pointer-events:none}.empty-cart strong{font-size:18px;color:#64748b}.empty-cart.hidden{display:none}.checkout-card{padding:20px;position:sticky;top:20px}.checkout-label{font-size:11px;color:#64748b;font-weight:900;letter-spacing:.08em}.checkout-total{font-size:42px;font-weight:900;line-height:1.1;margin:8px 0 20px;color:#0f172a;word-break:break-word}.checkout-meta{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed #e2e8f0;font-size:13px}.payment-title{font-size:12px;font-weight:900;color:#475569;margin:18px 0 8px}.payment-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.payment-btn{display:flex;justify-content:space-between;align-items:center;background:#f8fafc;color:#334155;border:2px solid #e2e8f0}.payment-btn.active{background:#eff6ff;border-color:#2563eb;color:#1d4ed8}.payment-btn small{opacity:.7}.complete-sale{width:100%;margin-top:14px;padding:16px;font-size:16px;display:flex;justify-content:space-between}.complete-sale:disabled{background:#cbd5e1;cursor:not-allowed}.clear-cart{width:100%;margin-top:8px;background:white;color:#64748b;border:1px solid #e2e8f0}.pos-help{font-size:11px;color:#94a3b8;line-height:1.5;margin-top:14px}.recent-sales-card{padding:18px;margin-top:18px}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.section-title span{display:block;font-size:12px;color:#64748b;margin-top:3px}.section-title a{font-size:12px;text-decoration:none;color:#2563eb;font-weight:800}.pay-badge{display:inline-block;background:#f1f5f9;padding:5px 9px;border-radius:9px;font-size:12px;font-weight:700}@media(max-width:1100px){.pos-layout{grid-template-columns:1fr}.checkout-card{position:static}.checkout-total{font-size:36px}}@media(max-width:700px){.pos-controls{grid-template-columns:1fr}.scan-zone{grid-template-columns:38px 1fr}.scan-add{grid-column:1/-1}.pos-topbar{display:block}.pos-clock{display:none}.cart-table-wrap{overflow-x:auto}.pos-cart{min-width:760px}}
.nav-group{border-top:1px solid #273244;border-bottom:1px solid #273244;padding:7px 0;margin:3px 0}.nav-title{padding:9px 12px 5px;color:#94a3b8;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.nav-group a.sub{padding:8px 12px 8px 24px;font-size:13px}.page-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.page-title h1{margin:0 0 4px}.page-title p,.muted{margin:0;color:#64748b;font-size:13px}.status-badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.status-badge.ok{background:#dcfce7;color:#166534}.status-badge.off{background:#f1f5f9;color:#64748b}.secondary-btn{background:#f1f5f9;color:#334155;padding:8px 10px;font-size:12px}.cards{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.inline-select-add{display:grid;gap:8px}.template-download{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 0 16px;padding:14px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px}.template-download small{color:#64748b}.download-btn,.excel-btn{display:inline-flex;align-items:center;justify-content:center;background:#0f766e;color:#fff;text-decoration:none;font-weight:800;border-radius:10px;padding:10px 14px}.excel-btn{background:#15803d}.danger-btn{background:#fee2e2;color:#991b1b;padding:7px 10px}.row-actions{text-align:right;width:90px}.row-actions form{margin:0}.report-launch-grid{display:grid;grid-template-columns:repeat(2,minmax(240px,1fr));gap:16px}.report-launch-grid a{display:block;background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:22px;text-decoration:none;color:#0f172a;box-shadow:0 5px 18px rgba(17,24,39,.04);transition:.15s ease}.report-launch-grid a:hover{transform:translateY(-2px);border-color:#93c5fd;box-shadow:0 10px 30px rgba(15,23,42,.08)}.report-launch-grid b{display:block;font-size:18px;margin-bottom:7px}.report-launch-grid span{color:#64748b;font-size:13px}.report-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:-4px 0 18px}.report-tabs a{background:#fff;border:1px solid #dbe2ea;color:#334155;border-radius:999px;padding:8px 13px;text-decoration:none;font-size:13px;font-weight:800}.report-tabs a:hover{background:#eff6ff;border-color:#93c5fd;color:#1d4ed8}@media(max-width:800px){.report-launch-grid{grid-template-columns:1fr}}